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Official data from INPI

PROCESSO PARA SEPARAR ILMENITA DE UM MINÉRIO DE ILMENITA

ArquivadaInvention Patent
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Application data

Number

PI9006614

Type

Invention Patent

Filing

12/27/1990

Publication

08/11/1992
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Progress at the INPI

  1. Filing12/27/90
  2. Publication08/11/92
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 12/27/1990 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/27/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RTZ Mineração Ltda

DF, BR

Inventors

M. Y. (pessoa física)

Technical data

IPC Classification

B03C 1/14

Abstract

Esta invenção consiste em um processo para separar ilmenita de um minério que está contaminado com cromita, que compreende submeter uma corrente em movimento de partículas do minério contaminado a um campo magnético de pelo menos 5000 gauss e coletar separadamente as partículas que deixam a corrente segundo as suas diferentes trajetórias.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

09/27/1994

RPI 1243

Publicação do pedido de patente

#3.1

08/11/1992

RPI 1132

Pedido de patente depositado

#2.1

06/25/1991

RPI 1073

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